The origin of the species by means of natural selection of the preservation of favoured races in thePDF电子书下载

The Origin of Species 3

INTRODUCTION 3

CHAPTER Ⅰ VARIATION UNDER DOMESTICATION 9

CHAPTER Ⅱ VARIATION UNDER NATURE 42

CHAPTER Ⅲ STRUGGLE FOR EXISTENCE 60

CHAPTER Ⅳ NATURAL SELECTION；OR THE SURVIVAL OF THE FITTEST 76

CHAPTER Ⅴ LAWS OF VARIATION 128

CHAPTER Ⅵ DIFFICULTIES OF THE THEORY 160

CHAPTER Ⅶ MISCELLANEOUS OBJECTIONS TO THE THEORY OF NATURAL SELECTION 201

CHAPTER Ⅷ INSTINCT 244

CHAPTER Ⅸ HYBRIDISM 279

CHAPTER Ⅹ ON THE IMPERFECTION OF THE GEOLOGICAL RECORD 314

CHAPTER Ⅺ ON THE GEOLOGICAL SUCCESSION OF ORGANIC BEINGS 345

CHAPTER Ⅻ GEOGRAPHICAL DISTRIBUTION 375

CHAPTER ⅩⅢ GEOGRAPHICAL DISTRIBUTION—continued 407

CHAPTER ⅩⅣ MUTUAL AFFINITIES OF ORGANIC BEINGS：MORPHOLOGY：EMBRYOLOGY：RUDIMENTARY ORGANS 430

CHAPTER ⅩⅤ RECAPITULATION AND CONCLUSION 478

GLOSSARY OF SCIENTIFIC TERMS 508

INDEX 525